iGrill checks your food's temperature and displays it on your phone

Image credit:
iGrill

The iGrill is a meat thermometer that wirelessly transmits the temperature to your smartphone or tablet using Bluetooth. The concept is pretty simple, but the device did recently pique the interest of Mark Zuckerberg.

The Parrot Zik are the best headphones you can buy

Image credit:
Kevin Smith, Business Insider

They're not cheap, but the Parrot Zik headphones are widely regarded as the best ones you can buy. They feature a touch panel on the side for controlling your music, noise cancelation, and a variety of listening modes.

Sphero is a little robot ball you control with your phone

Image credit:
Dylan Love

The Sphero is a neat little accessory for your smartphone. The ball has built-in motors that you control with a smartphone app after connecting via Bluetooth. There are a bunch of clever games you can play, but it's just as fun to race this little guy around the house.

The Nike FuelBand helps you stay fit

Image credit:
Screenshot

The Nike FuelBand is a bracelet you wear that tracks your movement throughout the day. Using an accelerometer, the FuelBand can tell you how man steps you took and upload all the data to your smartphone or PC to track your progress.